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來源: 於 2012-04-11 20:28:09 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

line 30 = line 28 - line 29.  


line 30 > 0, 是多少，填多少。 


line 30 < or = 0, enter 0 on line 30, 31, 33, 35.  go to line 34.